mmc: core: drop unnecessary bit checking

This if-block is going to call mmc_card_set_blockaddr(), so
mmc_card_blockaddr() right before it is redundant.

I am fixing the block comment style while I am here.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

drivers/mmc/core/mmc.c

@@ -1483,12 +1483,13 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
 		if (err)
 			goto free_card;
 
-		/* If doing byte addressing, check if required to do sector
+		/*
+		 * If doing byte addressing, check if required to do sector
 		 * addressing.  Handle the case of <2GB cards needing sector
 		 * addressing.  See section 8.1 JEDEC Standard JED84-A441;
 		 * ocr register has bit 30 set for sector addressing.
 		 */
-		if (!(mmc_card_blockaddr(card)) && (rocr & (1<<30)))
+		if (rocr & BIT(30))
 			mmc_card_set_blockaddr(card);
 
 		/* Erase size depends on CSD and Extended CSD */